# MAL-2025-6248: Malicious code in foundry-jupyter-extension (PyPI)


- **Type:** Malicious package
- **Package:** `foundry-jupyter-extension` (PyPI)
- **Published:** 26 Jul 2025

## What is MAL-2025-6248?

MAL-2025-6248 is a malicious package in foundry-jupyter-extension, published on 26 Jul 2025. 

### Official description

Installing or importing the module triggers exfiltration of environmental variables

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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2025-07-foundry-jupyter-extension

Reasons (based on the campaign):

 - exfiltration-env-variables

 - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

 - The package overrides the install command in setup.py to execute malicious code during installation.

The OpenSSF Package Analysis project identified 'foundry-jupyter-extension' @ 0.23.0 (pypi) as malicious.

It is considered malicious because:

- The package communicates with a domain associated with malicious activity.

## What should I do about MAL-2025-6248?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

## Fix prompt for AI coding agents

```text
MAL-2025-6248 is a malicious package: foundry-jupyter-extension (PyPI). Every version was published to cause harm.

Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.

Reference: https://insights.sbomify.com/MAL-2025-6248/ (Markdown: https://insights.sbomify.com/MAL-2025-6248/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2025-6248

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From sbomify Insights: https://insights.sbomify.com/MAL-2025-6248/
Summaries are generated and may contain mistakes; the official description above is the record.